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    • 6. 发明申请
    • METHOD AND DEVICE FOR TRANSMITTING GROUPCAST DATA IN A WIRELESS MESH COMMUNICATION NETWORK
    • 用于在无线网关通信网络中传输组播数据的方法和设备
    • US20100023752A1
    • 2010-01-28
    • US11965430
    • 2007-12-27
    • Charles R. BarkerMichael F. KorusOhad ShatilHeyun Zheng
    • Charles R. BarkerMichael F. KorusOhad ShatilHeyun Zheng
    • H04L9/32H04H20/71H04L29/06H04L9/08
    • H04L63/065H04W12/04H04W12/06
    • A method for transmitting groupcast data in a wireless mesh communication network as provided improves security of groupcast data. The method comprises processing, at a supplicant node, authentication handshake data received from an authenticator node, wherein the supplicant node is a next-hop neighbor of the authenticator node away from a root node. The supplicant node then stores a group transient key (GTK) received from the authenticator node. Next, the supplicant node processes authentication handshake data received from a third node, wherein the third node is a next-hop neighbor of the supplicant node away from the root node. The GTK is then transmitted from the supplicant node to the third node. Encrypted groupcast data are then generated at the supplicant node by using the GTK to encrypt groupcast data received from the authenticator node. Finally, the encrypted groupcast data are transmitted from the supplicant node to the third node.
    • 一种用于在无线网状通信网络中发送组播数据的方法,提供了群播数据的安全性。 所述方法包括在请求方节点处处理从认证器节点接收到的认证握手数据,其中所述请求者节点是远离根节点的认证器节点的下一跳邻居。 然后,请求者节点存储从认证器节点接收的组瞬态密钥(GTK)。 接下来,请求者节点处理从第三节点接收的认证握手数据,其中第三节点是远离根节点的请求者节点的下一跳邻居。 然后,GTK从请求者节点传送到第三个节点。 然后,通过使用GTK来加密从认证者节点接收的群播数据,在请求方节点生成加密的群播数据。 最后,加密的群播数据从请求者节点传送到第三节点。